botan/2.16.0: WARN: Build folder is dirty, removing it: C:\J\w\cci_PR-3134\.conan\data\botan\2.16.0\_\_\build\8ba5d8212eaef1bbbda391680e749e6e0d148796
botan/2.16.0: ERROR: Package '8ba5d8212eaef1bbbda391680e749e6e0d148796' build failed
botan/2.16.0: WARN: Build folder C:\J\w\cci_PR-3134\.conan\data\botan\2.16.0\_\_\build\8ba5d8212eaef1bbbda391680e749e6e0d148796
ERROR: botan/2.16.0: Error in build() method, line 146
	self.run(self._make_cmd)
	ConanException: Error 2 while executing call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC/vcvarsall.bat" amd64 && nmake